Convert a string variable into an integer

Question

I'm trying to convert my $file_data variable into an integer, the bit of code below grabs the number of a computer on my system held in a directory. However when run in PowerShell I get he below error even though the variable is a number.

The '++' operator works only on numbers. The operand is a 'System.String'.
At D:\pscript\Intune.ps1:7 char:26
+ For ($file_data -le 130; $file_data++ ){
+                          ~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [], RuntimeException
    + FullyQualifiedErrorId : OperatorRequiresNumber

I'm not sure where I'm going wrong on this any help would be amazing. :)

Get-Content D:\pscript\temp\Directory.txt
$file_data = Get-Content D:\pscript\temp\Directory.txt

Have you tried casting the variable to an integer type: for ([int]$file_data -le 130; $file_data++ ){ ... } — BrettMiller
– BrettMiller, Commented Jun 8, 2022 at 14:12

Shabarinath · Accepted Answer · 2022-06-08 14:14:39Z

3

For converting string to integer, you can typecast it or declare it at the first point.

[int] $file_data = Get-Content D:\pscript\temp\Directory.txt

However, if this needs to work, Directory.txt should have number which can fit into the category of an integer.

answered Jun 8, 2022 at 14:14

Shabarinath

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1 Comment

Vilestorm Over a year ago

Added both this and "for ([int]$file_data -le 130; $file_data++ )" from the comment and it worked. Many thanks.

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